Answer:
x = - 
Step-by-step explanation:
Given
20x + 12 = 4x - 16 ( subtract 4x from both sides )
16x + 12 = - 16 ( subtract 12 from both sides )
16x = - 28 ( divide both sides by 16 )
x =
= -
[ = - 1.75 ]
Answer:
178
Step-by-step explanation:
1246 over a week, (1246/7) in a day. 178 rocks a day
Getting at least a 80% ( B average) is also good still very close to 90
Answer:
4.3
Step-by-step explanation:
look at the picture .......